ISRC FRZ131213040
Verified recording
FRZ131213040 is “Piano Sonata No. 2 in B-Flat Minor, Op. 36: I. Allegro agitato” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x580fd830f8b9d5c13909b05ec4676c7a5300a00d5a037a1b25fe6a9cdd9018f3 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131213040.
Recording identifiers
- ISRC
- FRZ131213040
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 36: I. Allegro agitato
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x580fd830f8b9d5c13909b05ec4676c7a5300a00d5a037a1b25fe6a9cdd9018f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:8ecf49f53fad707f90d8f55e61559a228dee05d4ae11dcfc5ab972e256207d6d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131213040
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 36: I. Allegro agitato · Machine-readable JSON-LD